Guppy Tank: Fish Staying at Surface - Page 2 - Tropical Fish Keeping - Aquarium fish care and resources

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post #11 of 13 Old 01-04-2011, 09:57 PM
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You can over oxygenate the water too. There was a case I studied in school once where engineers built a damn, and after completion hundreds of fish started dieing. Turns out they had build the damn too high, and it was causing an over oxygenation of the water. They build in "steps" for the water to drop down, so that it was not falling from such a long distance, and decreased the oxygen content. Problem solved.

Just some random info.

  • 55 Gal x2, 30 Gal, 20 Gal, 20 Long, 10 Gal x 3, 2.5 Gal, 1 Gal
  • 4 Beta's, 3 Pleco's, 4 Convicts, 4 Fire Belly Toads, 4 Serpe Tetras, 3 Angel Fish, 5 Tiger Barbs, 2 Rosey Barbs, 2 Cherry Barbs, 2 Odessa Barbs, 2 YoYo Loaches, 3 Ottos, 2 Yellow Labs, 2 Snails, 1 Black Tiger Barb, 1 Pictus Cat, 1 Balla Shark, 1 Rainbow Shark, 1 Ghost Shrimp, 1 Oscar, 2 Chinease Algea Eater,2 Tadpoles
  • 4 Ferrets,3 Gerbils, 2 Cats, 1 Dog
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post #12 of 13 Old 01-05-2011, 06:40 AM Thread Starter
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I'm glad you said what you did about suspicious deaths. I put a big bubbler "stone" in my 50 gal tank, and I've been having occasional deaths for no apparent reason. I'm going to pull the stone and see if that stops the dying.

Based on what cbirk said, maybe the hotel problem was too much oxygen or maybe cbirk's dam situation was actually sound and not oxygen. An auxiliary question would be, can you over-oxygenate water? No matter how much bubbling or whatever you do, there's going to be a limit to how much oxygen will stay in the water, based on the laws of chemistry.

Lane

Last edited by LaneLester; 01-05-2011 at 06:45 AM.
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post #13 of 13 Old 01-05-2011, 01:21 PM
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I have no idea about the waterfall at the hotel, however the damn was a case study, investigated by the Army corp of Engineers, and that was their findings. As far as the laws of chemistry, I assume you are referring to saturation laws, however I don't think that they apply to this scenario. Reason being saturation laws apply to how much oxygen will stay in the water if left undisturbed, where as you have a constant flow of in coming in this situation, it immediately rises to the top, by while it does it is sill within the water, meaning at that point I think it is possible for supersaturation.

But then again, I am a physics major, chemistry is probably my weakest subject :/

  • 55 Gal x2, 30 Gal, 20 Gal, 20 Long, 10 Gal x 3, 2.5 Gal, 1 Gal
  • 4 Beta's, 3 Pleco's, 4 Convicts, 4 Fire Belly Toads, 4 Serpe Tetras, 3 Angel Fish, 5 Tiger Barbs, 2 Rosey Barbs, 2 Cherry Barbs, 2 Odessa Barbs, 2 YoYo Loaches, 3 Ottos, 2 Yellow Labs, 2 Snails, 1 Black Tiger Barb, 1 Pictus Cat, 1 Balla Shark, 1 Rainbow Shark, 1 Ghost Shrimp, 1 Oscar, 2 Chinease Algea Eater,2 Tadpoles
  • 4 Ferrets,3 Gerbils, 2 Cats, 1 Dog
  • 1 Child, 1 Girlfriend
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